Designed specifically for the Propel Disc range, the Giant Contact SL aero stem makes every second count. Fits: Giant Contact SLR/SL Aero Handlebar (Propel Disc Only) FEATURES Proprietary stealth recessed cable routing system enhances aerodynamic performance Oversize box-section increases torsional stiffness with tuned vertical compliance SPECIFICATIONS Material: Material: Lightweight 3D forged 2014 aluminum alloy Lengths: 80, 90, 100, 110, 120mm Clamp: Only compatible with Giant Propel AeroSystem bars Weight: 249g (110mm)